X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0c589ad076cb531a3ef7808aaedadc03c8286942..294f6bcbdb75d27785ee70472e63e53b4dc98e6b:/include/wx/msw/treectrl.h diff --git a/include/wx/msw/treectrl.h b/include/wx/msw/treectrl.h index 97baa3f6a4..91d4eea2ab 100644 --- a/include/wx/msw/treectrl.h +++ b/include/wx/msw/treectrl.h @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: treectrl.h +// Name: wx/msw/treectrl.h // Purpose: wxTreeCtrl class // Author: Julian Smart // Modified by: Vadim Zeitlin to be less MSW-specific on 10/10/98 @@ -15,19 +15,26 @@ // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- + #ifdef __GNUG__ #pragma interface "treectrl.h" #endif -#include "wx/control.h" -#include "wx/event.h" #include "wx/textctrl.h" +#include "wx/dynarray.h" + +#ifdef __GNUWIN32__ + // Cygwin windows.h defines these identifiers + #undef GetFirstChild + #undef GetNextSibling +#endif // Cygwin // the type for "untyped" data typedef long wxDataType; // fwd decl class WXDLLEXPORT wxImageList; +class WXDLLEXPORT wxDragImage; struct WXDLLEXPORT wxTreeViewItem; // a callback function used for sorting tree items, it should return -1 if the @@ -35,39 +42,6 @@ struct WXDLLEXPORT wxTreeViewItem; // they're equivalent class wxTreeItemData; -// ---------------------------------------------------------------------------- -// constants -// ---------------------------------------------------------------------------- - -// values for the `flags' parameter of wxTreeCtrl::HitTest() which determine -// where exactly the specified point is situated: - // above the client area. -static const int wxTREE_HITTEST_ABOVE = 0x0001; - // below the client area. -static const int wxTREE_HITTEST_BELOW = 0x0002; - // in the client area but below the last item. -static const int wxTREE_HITTEST_NOWHERE = 0x0004; - // on the button associated with an item. -static const int wxTREE_HITTEST_ONITEMBUTTON = 0x0010; - // on the bitmap associated with an item. -static const int wxTREE_HITTEST_ONITEMICON = 0x0020; - // in the indentation associated with an item. -static const int wxTREE_HITTEST_ONITEMINDENT = 0x0040; - // on the label (string) associated with an item. -static const int wxTREE_HITTEST_ONITEMLABEL = 0x0080; - // in the area to the right of an item. -static const int wxTREE_HITTEST_ONITEMRIGHT = 0x0100; - // on the state icon for a tree view item that is in a user-defined state. -static const int wxTREE_HITTEST_ONITEMSTATEICON = 0x0200; - // to the right of the client area. -static const int wxTREE_HITTEST_TOLEFT = 0x0400; - // to the left of the client area. -static const int wxTREE_HITTEST_TORIGHT = 0x0800; - // anywhere on the item -static const int wxTREE_HITTEST_ONITEM = wxTREE_HITTEST_ONITEMICON | - wxTREE_HITTEST_ONITEMLABEL | - wxTREE_HITTEST_ONITEMSTATEICON; - // NB: all the following flags are for compatbility only and will be removed in the // next versions @@ -116,6 +90,8 @@ protected: long m_itemId; }; +WX_DEFINE_EXPORTED_ARRAY(WXHTREEITEM, wxArrayTreeItemIds); + // ---------------------------------------------------------------------------- // wxTreeItemData is some (arbitrary) user class associated with some item. The // main advantage of having this class (compared to old untyped interface) is @@ -141,11 +117,7 @@ public: // accessors: set/get the item associated with this node void SetId(const wxTreeItemId& id) { m_itemId = id; } -#ifdef __WATCOMC__ - const wxTreeItemId GetId() const { return m_itemId; } -#else - const wxTreeItemId& GetId() const { return (wxTreeItemId&) m_itemId; } -#endif + const wxTreeItemId GetId() const { return *this; } }; // ---------------------------------------------------------------------------- @@ -189,10 +161,10 @@ public: unsigned int GetIndent() const; void SetIndent(unsigned int indent); - // spacing is the number of pixels between the start and the Text - // not implemented under wxMSW + // spacing is the number of pixels between the start and the Text + // not implemented under wxMSW unsigned int GetSpacing() const { return 18; } // return wxGTK default - void SetSpacing(unsigned int ) {} + void SetSpacing(unsigned int WXUNUSED(spacing)) { } // image list: these functions allow to associate an image list with // the control and retrieve it. Note that the control does _not_ delete @@ -220,10 +192,9 @@ public: // retrieve items label wxString GetItemText(const wxTreeItemId& item) const; - // get the normal item image - int GetItemImage(const wxTreeItemId& item) const; - // get the selected item image - int GetItemSelectedImage(const wxTreeItemId& item) const; + // get one of the images associated with the item (normal by default) + int GetItemImage(const wxTreeItemId& item, + wxTreeItemIcon which = wxTreeItemIcon_Normal) const; // get the data associated with the item wxTreeItemData *GetItemData(const wxTreeItemId& item) const; @@ -232,10 +203,9 @@ public: // set items label void SetItemText(const wxTreeItemId& item, const wxString& text); - // set the normal item image - void SetItemImage(const wxTreeItemId& item, int image); - // set the selected item image - void SetItemSelectedImage(const wxTreeItemId& item, int image); + // get one of the images associated with the item (normal by default) + void SetItemImage(const wxTreeItemId& item, int image, + wxTreeItemIcon which = wxTreeItemIcon_Normal); // associate some data with the item void SetItemData(const wxTreeItemId& item, wxTreeItemData *data); @@ -251,6 +221,15 @@ public: // the item will be shown with a drop highlight void SetItemDropHighlight(const wxTreeItemId& item, bool highlight = TRUE); + // set the items text colour + void SetItemTextColour(const wxTreeItemId& item, const wxColour& col); + + // set the items background colour + void SetItemBackgroundColour(const wxTreeItemId& item, const wxColour& col); + + // set the items font (should be of the same height for all items) + void SetItemFont(const wxTreeItemId& item, const wxFont& font); + // item status inquiries // --------------------- @@ -270,7 +249,8 @@ public: // if 'recursively' is FALSE, only immediate children count, otherwise // the returned number is the number of all items in this branch - size_t GetChildrenCount(const wxTreeItemId& item, bool recursively = TRUE); + size_t GetChildrenCount(const wxTreeItemId& item, + bool recursively = TRUE) const; // navigation // ---------- @@ -283,6 +263,12 @@ public: // get the item currently selected (may return NULL if no selection) wxTreeItemId GetSelection() const; + // get the items currently selected, return the number of such item + // + // NB: this operation is expensive and can take a long time for a + // control with a lot of items (~ O(number of items)). + size_t GetSelections(wxArrayTreeItemIds& selections) const; + // get the parent of this item (may return NULL if root) wxTreeItemId GetParent(const wxTreeItemId& item) const; @@ -334,6 +320,13 @@ public: int image = -1, int selectedImage = -1, wxTreeItemData *data = NULL); + // insert a new item before the one with the given index + wxTreeItemId InsertItem(const wxTreeItemId& parent, + size_t index, + const wxString& text, + int image = -1, int selectedImage = -1, + wxTreeItemData *data = NULL); + // insert a new item in as the last child of the parent wxTreeItemId AppendItem(const wxTreeItemId& parent, const wxString& text, @@ -360,6 +353,8 @@ public: // remove the selection from currently selected item (if any) void Unselect(); + // unselect all items (only makes sense for multiple selection control) + void UnselectAll(); // select this item void SelectItem(const wxTreeItemId& item); // make sure this item is visible (expanding the parent item and/or @@ -435,16 +430,34 @@ public: void SetImageList(wxImageList *imageList, int) { SetImageList(imageList); } + // use Set/GetItemImage directly + // get the selected item image + int GetItemSelectedImage(const wxTreeItemId& item) const + { return GetItemImage(item, wxTreeItemIcon_Selected); } + // set the selected item image + void SetItemSelectedImage(const wxTreeItemId& item, int image) + { SetItemImage(item, image, wxTreeItemIcon_Selected); } + // implementation // -------------- + + virtual long MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam); virtual bool MSWCommand(WXUINT param, WXWORD id); virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result); + // override some base class virtuals + virtual bool SetBackgroundColour(const wxColour &colour); + virtual bool SetForegroundColour(const wxColour &colour); + + // get/set the check state for the item (only for wxTR_MULTIPLE) + bool IsItemChecked(const wxTreeItemId& item) const; + void SetItemCheck(const wxTreeItemId& item, bool check = TRUE); + protected: // SetImageList helper void SetAnyImageList(wxImageList *imageList, int which); - wxTextCtrl* m_textCtrl; // used while editing the item label + wxTextCtrl *m_textCtrl; // used while editing the item label wxImageList *m_imageListNormal, // images for tree elements *m_imageListState; // special images for app defined states @@ -464,89 +477,38 @@ private: int image, int selectedImage, wxTreeItemData *data); + int DoGetItemImageFromData(const wxTreeItemId& item, + wxTreeItemIcon which) const; + void DoSetItemImageFromData(const wxTreeItemId& item, + int image, + wxTreeItemIcon which) const; + void DoSetItemImages(const wxTreeItemId& item, int image, int imageSel); + void DeleteTextCtrl(); - DECLARE_DYNAMIC_CLASS(wxTreeCtrl) -}; + // support for additional item images + friend class wxTreeItemIndirectData; + void SetIndirectItemData(const wxTreeItemId& item, + wxTreeItemIndirectData *data); + bool HasIndirectData(const wxTreeItemId& item) const; -// ---------------------------------------------------------------------------- -// wxTreeEvent is a special class for all events associated with tree controls -// -// NB: note that not all accessors make sense for all events, see the event -// descriptions below -// ---------------------------------------------------------------------------- -class WXDLLEXPORT wxTreeEvent : public wxNotifyEvent -{ -friend wxTreeCtrl; -public: - wxTreeEvent(wxEventType commandType = wxEVT_NULL, int id = 0); - - // accessors - // get the item on which the operation was performed or the newly - // selected item for wxEVT_COMMAND_TREE_SEL_CHANGED/ING events - wxTreeItemId GetItem() const { return m_item; } + // the array storing all item ids which have indirect data + wxArrayTreeItemIds m_itemsWithIndirectData; - // for wxEVT_COMMAND_TREE_SEL_CHANGED/ING events, get the previously - // selected item - wxTreeItemId GetOldItem() const { return m_itemOld; } + // the hash storing the items attributes (indexed by items ids) + wxHashTable m_attrs; - // the point where the mouse was when the drag operation started (for - // wxEVT_COMMAND_TREE_BEGIN_(R)DRAG events only) - wxPoint GetPoint() const { return m_pointDrag; } + // TRUE if the hash above is not empty + bool m_hasAnyAttr; - // keyboard code (for wxEVT_COMMAND_TREE_KEY_DOWN only) - int GetCode() const { return m_code; } + // used for dragging + wxDragImage *m_dragImage; -private: - // @@ we could save some space by using union here - int m_code; - wxTreeItemId m_item, - m_itemOld; - wxPoint m_pointDrag; + // the starting item for selection with Shift + WXHTREEITEM m_htSelStart; - DECLARE_DYNAMIC_CLASS(wxTreeEvent) + DECLARE_DYNAMIC_CLASS(wxTreeCtrl) }; -typedef void (wxEvtHandler::*wxTreeEventFunction)(wxTreeEvent&); - -// ---------------------------------------------------------------------------- -// macros for handling tree control events -// ---------------------------------------------------------------------------- - -// GetItem() returns the item being dragged, GetPoint() the mouse coords -#define EVT_TREE_BEGIN_DRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_DRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, -#define EVT_TREE_BEGIN_RDRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_RDRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, - -// GetItem() returns the itme whose label is being edited -#define EVT_TREE_BEGIN_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, -#define EVT_TREE_END_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_END_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, - -// provide/update information about GetItem() item -#define EVT_TREE_GET_INFO(id, fn) { wxEVT_COMMAND_TREE_GET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, -#define EVT_TREE_SET_INFO(id, fn) { wxEVT_COMMAND_TREE_SET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, - -// GetItem() is the item being expanded/collapsed, the "ING" versions can use -#define EVT_TREE_ITEM_EXPANDED(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, -#define EVT_TREE_ITEM_EXPANDING(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, -#define EVT_TREE_ITEM_COLLAPSED(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, -#define EVT_TREE_ITEM_COLLAPSING(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, - -// GetOldItem() is the item which had the selection previously, GetItem() is -// the item which acquires selection -#define EVT_TREE_SEL_CHANGED(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, -#define EVT_TREE_SEL_CHANGING(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, - -// GetCode() returns the key code -// NB: this is the only message for which GetItem() is invalid (you may get the -// item from GetSelection()) -#define EVT_TREE_KEY_DOWN(id, fn) { wxEVT_COMMAND_TREE_KEY_DOWN, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, - -// GetItem() returns the item being deleted, the associated data (if any) will -// be deleted just after the return of this event handler (if any) -#define EVT_TREE_DELETE_ITEM(id, fn) { wxEVT_COMMAND_TREE_DELETE_ITEM, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL }, - -// GetItem() returns the item that was activated (double click, enter, space) -#define EVT_TREE_ITEM_ACTIVATED(id, fn) { wxEVT_COMMAND_TREE_ITEM_ACTIVATED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL }, - #endif // _WX_TREECTRL_H_